diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 75ce7a94..4b96d0c1 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -15,7 +15,7 @@ As the copyright owner, you agree to license your contributions under an irrevoc
 
 ### Building from source
 
-*Prerequisites*: Git, Make, Node, Go
+*Prerequisites*: Git, Make, Node, Go, Glib 2.0
 
 ```
 # Download the source